<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表单验证</title>
<!--        <script type="text/javascript" src="demo.js"></script>-->
    <link rel="stylesheet" type="text/css" href="fine.css">
</head>
<body class="tbody">
<div id="list_registered">
    <h3>填写注册信息</h3>
    <form id="list_form" action="first" method="post">
        <table>
            <tr>
                <th>用户名称 ：</th>
                <td>
                    <input id="in_username" class="sss" type="text" name="username" placeholder="长度4~12，英文大小写字母"/>
                </td>
                <td>
                    <div></div>
                </td>
            </tr>
            <tr>
                <th>密&nbsp;&nbsp;&nbsp;&nbsp;码 ：</th>
                <td>
                    <input id="in_psw" class="sss" type="password" name="psd" placeholder="长度6~20，大小写字母，数字或下划线"/>
                </td>
                <td>
                    <div></div>
                </td>
            </tr>
            <tr>
                <th>确认密码 ：</th>
                <td>
                    <input id="in_repsw" class="sss" type="password" name="repsd" placeholder="请再次输入密码"/>
                </td>
                <td>
                    <div></div>
                </td>
            </tr>
            <tr>
                <th>手机号码 ：</th>
                <td>
                    <input id="in_tel" class="sss" type="text" name="tel" placeholder="13、15、17、18开头的11位手机号"/>
                </td>
                <td>
                    <div></div>
                </td>
            </tr>
            <tr>
                <th>电子邮箱 ：</th>
                <td>
                    <input id="in_email" class="sss" type="text" name="email" placeholder="用户名@域名(域名后缀至少两个字符)"/>
                </td>
                <td>
                    <div></div>
                </td>
            </tr>
            <tr>
                <td>
                    <input type="submit" value="注册" id="btn">
                </td>
            </tr>
        </table>
    </form>
</div>
</body>
</html>